Chemical Reaction

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Across
  1. 2. with heat, particles move farther _____ and speed up
  2. 5. understanding temperature effect on reactions is important for _____ and biological industries
  3. 9. _____the temperature of chemicals to make reaction faster
  4. 10. faster movement result in greater ______ during collisions
  5. 12. these particles have a fixed position, but vibrate in place
  6. 13. successful _______ are increased with higher temperatures
  7. 15. the principle that explains how temperature affects chemical reactions is called _____ theory
  8. 16. evidence of a chemical change
  9. 17. rusting occurs more slowly in _____ temperatures
  10. 18. increased movement causes particles to do this
Down
  1. 1. with increased temperature, chemical reactions will occur
  2. 3. a measure of energy in a substance
  3. 4. particles move faster when temperature does this
  4. 6. when food goes through chemical change in our body
  5. 7. particle motions slows down when energy(heat) is ________
  6. 8. successful collisions happen with ____ temperatures
  7. 11. these particles take the shape of the container they are in
  8. 14. chemical changes form ___ substances